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Is Z always up relative to the earth (independent of the ADCP orientation), or does it just point up the ADCP tube?
What is the minimum horizontal magnetic field strength that an AquaPro can use?
Do you have experience in reservoir studies using AWACs and do you have any input regarding this application?
For how long can batteries be stored before use?
Do you have any recommendations on how to clean the instruments and how to prevent growth (biofouling)?
What is sidelobe interference? Why does it occur?
Invalid data file - Time span check failed. What is the problem?
How can we deal with magnetic influence when mounting an instrument near/on a metallic structure?
How will sediment on the transducers affect the measurements?

How will sediment on the transducers affect the measurements?

June 22, 2019 15:41
Updated

Blockage from sediment can be broken down into two classes: mud and sand.

Mud will attenuate the acoustic signal and therefore the performance will be dependent on how much the transducer is covered.

Sand on the other hand is bad. All Bad. Sand tends to reflect the acoustic signal and only a centimeter is enough to have poor results.

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